diff --git a/tests/script/unique/arbitrator/dn3_mn1_r3_vnode_delDir.sim b/tests/script/unique/arbitrator/dn3_mn1_r3_vnode_delDir.sim
index 95480e9d968df0ee16010512c4a257c7b76b5056..a05681ece231a4b47dfdb89d6ec95a36a1a651a1 100644
--- a/tests/script/unique/arbitrator/dn3_mn1_r3_vnode_delDir.sim
+++ b/tests/script/unique/arbitrator/dn3_mn1_r3_vnode_delDir.sim
@@ -355,3 +355,53 @@ if $data00 != $totalRows then
 	return -1
 endi
 
+
+print ============== step7: stop dnode3/dnode2, and cluster unable to provide services
+system sh/exec.sh -n dnode2 -s stop -x SIGINT
+system sh/exec.sh -n dnode3 -s stop -x SIGINT
+sleep 3000
+sql_error select count(*) from $stb
+
+print ============== step8: restart dnode2, and cluster Still unable to provide services
+system sh/exec.sh -n dnode2 -s start
+sleep 3000
+sql_error select count(*) from $stb
+
+print ============== step9: restart dnode3, and cluster Resume service delivery
+system sh/exec.sh -n dnode3 -s start
+
+$loopCnt = 0
+wait_dnode4_vgroup_master_2:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then 
+  return -1
+endi
+
+sql show vgroups
+if $rows != 1 then
+  sleep 2000
+  goto wait_dnode4_vgroup_master_2
+endi
+print show vgroups:
+print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1  $data5_1  $data6_1  $data7_1  $data8_1  $data9_1
+print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2  $data5_2  $data6_2  $data7_2  $data8_2  $data9_2
+print $data0_3  $data1_3  $data2_3  $data3_3  $data4_3  $data5_3  $data6_3  $data7_3  $data8_3  $data9_3
+$dnode4Vtatus = $data4_2
+$dnode3Vtatus = $data7_2
+
+print dnode4Vtatus: $dnode4Vtatus
+print dnode3Vtatus: $dnode3Vtatus 
+if $dnode4Vtatus != master then
+  sleep 2000
+  goto wait_dnode4_vgroup_master_2
+endi
+if $dnode3Vtatus != slave then
+  sleep 2000
+  goto wait_dnode4_vgroup_master_2
+endi
+
+sql select count(*) from $stb
+print data00 $data00
+if $data00 != $totalRows then
+	return -1
+endi